312332021132 has 24 divisors (see below), whose sum is σ = 575378227200. Its totient is φ = 147939092496.

The previous prime is 312332021123. The next prime is 312332021179. The reversal of 312332021132 is 231120233213.

It is a super-2 number, since 2×312332021132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312332021098 and 312332021107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538669 + ... + 1729787.

It is an arithmetic number, because the mean of its divisors is an integer number (23974092800).

Almost surely, 2^312332021132 is an apocalyptic number.

It is an amenable number.

312332021132 is a deficient number, since it is larger than the sum of its proper divisors (263046206068).

312332021132 is a wasteful number, since it uses less digits than its factorization.

312332021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212645 (or 212643 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312332021132 its reverse (231120233213), we get a palindrome (543452254345).

The spelling of 312332021132 in words is "three hundred twelve billion, three hundred thirty-two million, twenty-one thousand, one hundred thirty-two".